2014 Mercedes-Benz GL350 Service and Repair Manual

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Factory-Grade Data

2014 Mercedes-Benz GL350 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Bluetec 4Matic Sport Utility 4-Door

Engines covered

  • 3.0L 2987CC V6 DIESEL DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Payment methods

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Vehicle Safety Data

2014 Mercedes-Benz GL350 Recalls & Complaints

No active recalls The 2014 Mercedes-Benz GL350 has no recalls on file with NHTSA.
TSB #11031656

Dear Mercedes-Benz Owner: The purpose of this letter is to advise you of additional benefits that Mercedes-Benz USA, LLC (MBUSA) is providing to you regarding your vehicle ownership. This warranty extension is fully independent of all provi

TSB #11031655

The purpose of this letter is to advise you of additional benefits that Mercedes-Benz USA, LLC ("MBUSA") is providing to you regarding your vehicle ownership. What's Included In our continuing efforts to assure the proper performance of Mer

TSB #11031648

Mercedes-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received the Approved Emission Modification. The Extended Modification Warranty period shall be the greater of: (i) 10 years from the date of in

TSB #11031625

Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (MY) 2012-2016 Mercedes-Benz Model 212, 221, X204 and 166 vehicles (E250 BLUETEC, E250 4MATIC BLUETEC, E350 BLUETEC, S350 4MATIC

TSB #11031622

This NCU replaces the prior NCU issued on August 19, 2022, and removes specific fault codes list. Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (MY) vehicles listed below, the

TSB #11031594

This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be carried out. To enhance the satisfaction of our customers, avo

TSB #11031580

Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compe

TSB #11029959

Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compen

Showing the 8 most recent of 75 technical service bulletins on file with NHTSA.

20230705Component: ENGINE AND ENGINE COOLING

The contact owns a 2014 Mercedes-Benz GL350. The contact stated that while inspecting the vehicle, there was oil leaking underneath the vehicle. Additionally, the check engine warning light was illumi

20230705Component: POWER TRAIN

The contact owns a 2014 Mercedes-Benz GL350. The contact stated that while inspecting the vehicle, there was oil leaking underneath the vehicle. Additionally, the check engine warning light was illumi

20230618Component: UNKNOWN OR OTHER

Water has accumulated into the spare wheel well twice causing my ad blue module to be submerged in water, making the system faulty, which then disables the car for use. I have a vehicle that can not s

20200623Component: STRUCTURE:BODY

AS I WAS DRIVING DOWN ON I-27 FROM AMARILLO TO LUBBOCK AT 70 MILES PER HOUR ON 6/22/2020 IN PLEASANT WEATHER AND NO VEHICLES EITHER IN FRONT OF ME OR BESIDE ME, THE MIDDLE PANEL OF THE PANORAMIC SUNRO

20181218Component: UNKNOWN OR OTHER

THE LANE-KEEPING ASSIST ONLY INTERMITTENTLY WORKS. ON OCCASION IT WILL ALERT AND TAKE CORRECTIVE ACTION, BUT EVEN ON SUNNY DAYS WITH CLEARLY DEMARCATED LANES, IT OFTEN DOES NOTHING. IN RESEARCHING THI

Showing the 5 most serious of 7 complaints filed with NHTSA.

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